UnitedHealthcare (UHC) has announced upcoming significant changes that will directly impact reimbursement for routine laboratory testing. Beginning December 1, 2025, UHC will implement new reimbursement policies for Commercial, Individual Family Plans, and Medicare Advantage Plans. Per UnitedHealthcare's Reimbursement Policy Update Bulletin for September 2025 :Effective December 1, 2025, UnitedHealthcare will apply automated post-service, pre-payment policy enforcement to